Răspuns :
[tex]6(1 + 4x) = 12 \: \: | \: \div 6 \\ 1 + 4x = 2 \\ 4x = 2 - 1 \\ 4x = 1 \\ = > x = \frac{1}{4} =0 .25[/tex]
6*(1+4X)=12
6*1+6*4X=12
6+24X=12
24X=12-6
24X=6
X=6/24
X=0.25 sau 1/4 (1 supra 4)
6*1+6*4X=12
6+24X=12
24X=12-6
24X=6
X=6/24
X=0.25 sau 1/4 (1 supra 4)